Nissan Sentra Service Manual: Symptom diagnosis
Nissan vehicle immobilizer systemnats symptoms
Symptom Table
Note:
- Before performing the diagnosis in the following table, check “SEC-171, "Work Flow"”.
- Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check each symptom.
- If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column in this order.
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)
- Mechanical key is not inserted into key cylinder.
| Symptom | Diagnosis/service procedure | Reference page |
| Security indicator does not turn ON or flash. |
|
SEC-190 |
|
GI-39 |
Dtc/circuit diagnosis
Power supply and ground circuit
Diagnosis Procedure
Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description".
Vehicle security indicator
Description
DTC DETECTION LOGIC
NOTE:
U ...
Removal and installation
Nats antenna amp
Removal and installation
REMOVAL
Remove instrument finisher B. Refer to IP-14, "Exploded View".
Using a suitable tool release the pawls on either side and remove the ...
Other materials:
Wheel alignment
Inspection
DESCRIPTION
Measure the wheel alignment under unladen conditions.
NOTE:
“Unladen conditions” means that fuel, engine coolant, and lubricants are
full. Spare tire, jack, hand tools and
mats are in designated positions.
PRELIMINARY
Check the following:
Tires for impro ...
ECU diagnosis information
EPS control unit
Reference Value
VALUES ON THE DIAGNOSIS TOOL
The following table includes information (items) inapplicable to
this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
CAUTION:
The output signal indicates the EPS control unit
calcula ...
Charging system
System Diagram
System Description
The generator provides DC voltage to operate the vehicle's electrical system
and to keep the battery charged.
The voltage output is controlled by the IC regulator.
Component Description
...
